CN201243355Y - Interface processing device and video device containing the same - Google Patents
Interface processing device and video device containing the same Download PDFInfo
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- CN201243355Y CN201243355Y CNU2008201878988U CN200820187898U CN201243355Y CN 201243355 Y CN201243355 Y CN 201243355Y CN U2008201878988 U CNU2008201878988 U CN U2008201878988U CN 200820187898 U CN200820187898 U CN 200820187898U CN 201243355 Y CN201243355 Y CN 201243355Y
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Abstract
The utility model provides an interface processing device and a video device comprising same; the interface processing device receives a first signal and a second signal from the exterior, and carries out selection processing towards the first signal and the second signal, and sends the signals after the selection processing to a first signal processing device and a second signal processing device; the interface processing device comprises a channel bus and a switching interface; wherein, the channel bus is used for controlling and electrically turning the first signal input; the switching interface is used for switching the channels of the first signal and the second signal; when the switching interface switches to the second signal channel, the automatic gain control of the first signal is cut off; when the switching interface switches to the first signal channel, the automatic control of the first signal is opened.
Description
Technical field
The utility model relates to video field, especially a kind of video-unit of supporting digital signal, analog signal reception and the interface processing device of handling and comprising described interface processing device.
Background technology
It is a technological trend that Digital Television substitutes simulated television, though digital television techniques is promoted in the whole nation, because Chinese region disparate development, it will be a very long process that Digital Television substitutes simulated television.And the all-in-one of analog digital compatibility will make things convenient for the user to select the right to choose of TV programme greatly.
Chinese patent CN200510020621.7 discloses a kind of double-processor TV control method, adopts first processor to judge the controlling object of the order that receives, if controlling object is self, belongs to first operational order, then carries out; If controlling object is second processor, belong to second operational order, first processor is sent to second processor with second operational order, and second processor is carried out second operational order, and returns current state to first processor.Though this patent scheme has been unified user interface by the operation of method, but this patent scheme possesses simulated television and the not strong defective of Digital Television compatibility equally, aspect the circuit realization of hardware, make circuit become complicated, the cost of television set is corresponding also very high.
Summary of the invention
A purpose of the present utility model provides the strong interface processing device of a kind of compatibility.
For addressing the above problem, the utility model by the following technical solutions:
The utility model is a kind of interface processing device, receive outside first signal or secondary signal, and described first signal or secondary signal selected to handle, and the signal after will selecting to handle sends to first signal processing apparatus or secondary signal processing unit, described interface processing device comprises: channel bus is used for controlling electricity and transfers the input of first signal; Switching interface is used for switching the passage of first signal and secondary signal, when switching to the secondary signal passage, and turn-offs the control of first signal automatic gain; When switching to first signalling channel and open first signal automatic gain control.
Above-mentioned switching interface carries out the standby switching can for the power supply of secondary signal processing unit.
Above-mentioned first signal is an analog signal, secondary signal is a digital signal, first signal processing device is changed to analog signal processing device, and the secondary signal processing unit is a digital signal processing device, and electricity transfers first signal automatic gain to be controlled to be electric mode transfer analog signal automatic gain control.
Above-mentioned interface processing device is a pin sockets.
Second aspect, the utility model provide a kind of video-unit, receive outside vision signal, and are presented in the display processing unit, and described video-unit comprises: receiving and processing device is used for receiving the outside and sends first vision signal or second vision signal; Interface processing device, reception is from first vision signal or second vision signal of receiving and processing device, and described first vision signal or second vision signal selected to handle, and the signal after will selecting to handle sends to first apparatus for processing of video signals or second apparatus for processing of video signals, second apparatus for processing of video signals, be used for receiving second vision signal that sends from interface processing device, and handle; First apparatus for processing of video signals is used for receiving first vision signal of sending from interface processing device, and handles; Display processing unit is used for receiving from the vision signal of first apparatus for processing of video signals and shows processing; Described interface processing device comprises: channel bus is used for controlling electricity and transfers the input of first signal; Switching interface is used for switching the passage of first vision signal and second vision signal, when switching to second channel video signal, and turn-offs the control of first signal automatic gain; When switching to first channel video signal and open first vision signal automatic gain control.
Above-mentioned switching interface carries out the standby switching can for the power supply of second apparatus for processing of video signals.
Above-mentioned first apparatus for processing of video signals and second video process apparatus comprise an independent CPU separately respectively.
After the signal processing of above-mentioned second apparatus for processing of video signals is intact, described processed video signal returns interface processing device again, and interface processing device is issued described processed video signal display processing unit and shown by issuing first apparatus for processing of video signals.
Above-mentioned first vision signal is an analog video signal, second vision signal is a digital video signal, first apparatus for processing of video signals is an analog signal processing device, second apparatus for processing of video signals is a digital signal processing device, and electricity transfers first signal automatic gain to be controlled to be electric mode transfer analog signal automatic gain control.
Above-mentioned video-unit is television set, mobile phone or computer.
The utility model mainly is a kind of interface processing device, by first signal or the secondary signal that receive are selected to handle, and the signal after will selecting to handle sends to first signal processing apparatus or secondary signal processing unit, described interface processing device comprises: channel bus is used for controlling electricity and transfers the input of first signal; Switching interface is used for switching the passage of first signal and secondary signal, when switching to the secondary signal passage, and turn-offs the control of first signal automatic gain; When switching to first signalling channel and open first signal automatic gain control.Such interface processing device compatibility is good, and is convenient in follow-up maintenance and the upgrade job.Below in conjunction with accompanying drawing the utility model is elaborated, these and other purpose of the present utility model, feature, aspect and advantage will become more obvious.
Description of drawings
Fig. 1 is the system configuration schematic diagram of the utility model video-unit;
Fig. 2 is the structural representation of the television system of the utility model video-unit embodiment.
Embodiment
In order to make those skilled in the art person understand the utility model scheme better, and above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with embodiment and embodiment accompanying drawing.
Fig. 1 is the system configuration schematic diagram of the utility model video-unit embodiment, and one of embodiment is an example with the television system, and receiving and processing device 1 receives the outside and sends TV signal.Described TV signal is digital signal or analog signal.Described receiving and processing device 1 is specially the tuner device, and described tuner device is a digital simulation one tuner.Both can receiving digital signals, can receive analog signal again.Its effect is a received television signal, and the line frequency road of going forward side by side is selected and high-frequency signal amplifies and frequency-conversion processing.Can also have intermediate-freuqncy signal amplifies and the high-frequency signal demodulation function.
If TV signal is an analog signal, then this digital television signal is sent to simulated television processing signals 4 and handle.If TV signal is a digital signal, then this digital television signal is sent to digital signal processing device 3 and handle.Interface processing device 2 concrete chip pin or the pin sockets that configure in advance.When interface processing device 2 is pin sockets, define each pin sockets pin mouth.
The communication interface of interface processing device 2 is defined as: have the electric mode transfer analog signal input channel bus of control at least.Have at least simulated television and digital television channel to switch, intend the interface that AGC switches for simultaneously electric mode transfer, described interface carries out the standby switching can also for the digital signal processing device power supply, switch to the disconnected simulation of Digital Television switch AGC passage as " H ", " L " switches to simulated television and opens simulation AGC passage.
More than definition is according to the characteristics of Digital Television and simulated television, and saving R﹠D costs when considering the convenient or large-scale production of the subsequent upgrade of this television set, also considered the powerful compatibility of described interface processing device 2.
Digital signal processing device 3 receives the digital signal that sends from interface processing device 2, and handles.Also comprise an independent CPU, individual processing digital signal in the described digital signal processing device 3.Described Digital Signal Processing flow process and method adopt conventional Digital Signal Processing flow process and method.After Digital Signal Processing is intact, can directly show by display processing unit 5.But at this, after Digital Signal Processing was intact, the TV signal after the described processing was returned interface processing device 2 again, and interface processing device 2 is issued affiliated TV signal display processing unit 5 and shown by issuing analog signal processing device 4.As shown in Figure 2.At this mainly is that 5 of display processing units are connected analog signal processing device 4, the display driver work complexity that can save display processing unit like this.And, making the whole TV system highly versatile according to the compatibility of breach processing unit, subsequent upgrade is convenient.
Analog signal processing device 4 receives the analog signal of sending from interface processing device 2, and handles.Also comprise an independent CPU, individual processing analog signal in the described analog signal processing device 4.Analog flow process and method adopt conventional simulation signal processing flow and method.Analog signal processing device 4 sends to display processing unit 5 with the analog video signal of handling and shows processing.Audio signal is sent to power amplifier device 6 export processing.Described power amplifier device 6 is specially loudspeaker.
The above, it only is embodiment of the present utility model, the utility model can also be applied in the various TV receiving system such as CRT television set, liquid crystal TV set, plasma TV, also can be applied in other portable television receiving systems as in the video equipments such as mobile TV receiving system, computer video receiving system.Protection range of the present utility model is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Protection range of the present utility model should be as the criterion with the protection range that claim was defined.
Claims (10)
1, a kind of interface processing device, receive outside first signal or secondary signal, and described first signal or secondary signal selected to handle, and will select the signal after the processing to send to first signal processing apparatus or secondary signal processing unit, described interface processing device comprises:
Channel bus is used for controlling electricity and transfers the input of first signal;
Switching interface is used for switching the passage of first signal and secondary signal, when switching to the secondary signal passage, and turn-offs the control of first signal automatic gain; When switching to first signalling channel and open first signal automatic gain control.
2, interface processing device according to claim 1 is characterized in that, described switching interface carries out the standby switching can for the power supply of secondary signal processing unit.
3, interface processing device according to claim 1 and 2, it is characterized in that: described first signal is an analog signal, secondary signal is a digital signal, first signal processing device is changed to analog signal processing device, the secondary signal processing unit is a digital signal processing device, and electricity transfers first signal automatic gain to be controlled to be electric mode transfer analog signal automatic gain control.
4, interface processing device according to claim 1 and 2 is characterized in that: described interface processing device is a pin sockets.
5, a kind of video-unit receives outside vision signal, and is presented in the display processing unit, and described video-unit comprises:
Receiving and processing device is used for receiving the outside and sends first vision signal or second vision signal;
Interface processing device, reception is from first vision signal or second vision signal of receiving and processing device, and described first vision signal or second vision signal selected to handle, and will select the signal after the processing to send to first apparatus for processing of video signals or second apparatus for processing of video signals;
Second apparatus for processing of video signals is used for receiving second vision signal that sends from interface processing device, and handles;
First apparatus for processing of video signals is used for receiving first vision signal of sending from interface processing device, and handles;
Display processing unit is used for receiving from the vision signal of first apparatus for processing of video signals and shows processing;
Described interface processing device comprises:
Channel bus is used for controlling electricity and transfers the input of first signal;
Switching interface is used for switching the passage of first vision signal and second vision signal, when switching to second channel video signal, and turn-offs the control of first signal automatic gain; When switching to first channel video signal and open first vision signal automatic gain control.
6, video-unit according to claim 5 is characterized in that: described switching interface carries out the standby switching can for the power supply of second apparatus for processing of video signals.
7, video-unit according to claim 5 is characterized in that: described first apparatus for processing of video signals and second video process apparatus comprise an independent CPU separately respectively.
8, video-unit according to claim 5, it is characterized in that: after the signal processing of described second apparatus for processing of video signals is intact, described processed video signal returns interface processing device again, and interface processing device is issued described processed video signal display processing unit and shown by issuing first apparatus for processing of video signals.
9, according to the arbitrary described video-unit of claim 5 to 8, it is characterized in that: described first vision signal is an analog video signal, second vision signal is a digital video signal, first apparatus for processing of video signals is an analog signal processing device, second apparatus for processing of video signals is a digital signal processing device, and electricity transfers first signal automatic gain to be controlled to be electric mode transfer analog signal automatic gain control.
10, video-unit according to claim 9 is characterized in that: described video-unit is television set, mobile phone or computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201878988U CN201243355Y (en) | 2008-08-15 | 2008-08-15 | Interface processing device and video device containing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201878988U CN201243355Y (en) | 2008-08-15 | 2008-08-15 | Interface processing device and video device containing the same |
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| Publication Number | Publication Date |
|---|---|
| CN201243355Y true CN201243355Y (en) | 2009-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201878988U Expired - Fee Related CN201243355Y (en) | 2008-08-15 | 2008-08-15 | Interface processing device and video device containing the same |
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| Country | Link |
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| CN (1) | CN201243355Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103378844A (en) * | 2012-04-26 | 2013-10-30 | 创杰科技股份有限公司 | Input/output interface device |
| CN105044588A (en) * | 2015-07-17 | 2015-11-11 | 上海恺希机器人有限公司 | Device for detecting main control board of bending machine |
-
2008
- 2008-08-15 CN CNU2008201878988U patent/CN201243355Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103378844A (en) * | 2012-04-26 | 2013-10-30 | 创杰科技股份有限公司 | Input/output interface device |
| CN103378844B (en) * | 2012-04-26 | 2016-03-30 | 密克罗奇普技术公司 | Input/output interface device |
| CN105044588A (en) * | 2015-07-17 | 2015-11-11 | 上海恺希机器人有限公司 | Device for detecting main control board of bending machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yao Ge Inventor after: Li Lei Inventor after: Wu Yupeng Inventor before: Guo Da Bo Inventor before: Liu Weidong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: GUO DABO; LIU WEIDONG TO: YAO GE; LI LEI; WU YUPENG |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20120815 |